In what form is fluorine administered when it is used to prevent tooth decay?

A) F-
B) F
C) F2
D) F+


A

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

The oceans hold ________ carbon than the atmosphere.

A. 10,000 times more B. 50 times more C. 1000 times less D. 10,000 times less E. 5 times more

Environmental & Atmospheric Sciences

Water vapor is a greenhouse gas. Why is it not a concern regarding climate change?

A. Water vapor is dense and settles low in the troposphere. B. There is a low concentration of water vapor in air. C. The rate of precipitation balances the rate of evaporation of water. D. Greenhouse gases do not affect the climate.

Environmental & Atmospheric Sciences

Which "famous" hurricane was the costliest in United States history?

A) Hurricane Hugo B) Hurricane Katrina C) Hurricane Floyd D) Hurricane Diane

Environmental & Atmospheric Sciences